Genscript Biotech Corporation — Regulatory Filings 2021

May 14, 2021

Hong Kong Exchanges and Clearing Limited and The Stock Exchange of Hong Kong Limited take no responsibility for the contents of this announcement, make no representation as to its accuracy or completeness and expressly disclaim any liability whatsoever for any loss howsoever arising from or in reliance upon the whole or any part of the contents of this announcement.

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**Genscript Biotech Corporation 金斯瑞生物科技股份有限公司 ***

(Incorporated in the Cayman Islands with limited liability)

(Stock code: 1548)

TRADING HALT

At the request of Genscript Biotech Corporation (the “ Company ”), trading in the shares of the Company on The Stock Exchange of Hong Kong Limited will be halted with effect from 9:00 a.m. on Friday, 14 May 2021, pending the release of announcements in relation to inside information of the Company.

By order of the Board GenScript Biotech Corporation MENG Jiange Chairman and Executive Director

Hong Kong, 14 May 2021

As at the date of this announcement, the executive Directors are Mr. Meng Jiange, Ms. Wang Ye and Dr. Zhu Li; the nonexecutive Directors are Dr. Wang Luquan, Mr. Pan Yuexin and Ms. Wang Jiafen; and the independent non-executive Directors are Mr. Guo Hongxin, Mr. Dai Zumian, Mr. Pan Jiuan and Dr. Wang Xuehai.

• For identification purposes only